1. Hawkes, D. (2020). Spending Review 2020—What It Means for Infrastructure, Institute of Civil Engineers. Available online: https://www.ice.org.uk/news-and-insight/the-infrastructure-blog/november-2020/spending-review-2020-what-it-means-for-infrastrure.
2. National Infrastructure Commission (2021, November 04). Economic Growth and Demand for Infrastructure Services. Available online: https://nic.org.uk/app/uploads/2906219-NIC-Technical-Paper-Economic-Driver-v1_0A-WEBACCESSIBLE-4.pdf.
3. Infrastructure and Projects Authority (2021, October 31). Transforming Infrastructure Performance: Roadmap to 2030, Available online: https://www.gov.uk/government/publications/transforming-infrastructure-performance-roadmap-to-2030/transforming-infrastructure-performance-roadmap-to-2030#focus-area-4-retrofitting-existing-buildings-to-achieve-net-zero-greenhouse-gas-emissions-emissions-by-2050.
4. National Infrastructure Committee (2021, October 31). Public Expenditure on Infrastructure. Available online: https://nic.org.uk/app/uploads/NIC-July-2021-Engineered-Greenhouse-Gas-Removals-UPDATED.pdf.
5. HM Treasury (2021, November 26). Infrastructure Carbon Review, Available online: https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/260710/infrastructure_carbon_review_251113.pdf.